Timeout errors should be fatal

Timeouts are slightly non-deterministic by their nature. So we should
consider them fatal. They can still be useful, but should be for truly
pathological cases since they are fatal, so I've upped the limit to 5
mintues.

Author: wfleming

lib/cc/engine/analyzers/analyzer_base.rb

@@ -7,7 +7,6 @@ class Base
         RESCUABLE_ERRORS = [
           ::CC::Engine::Analyzers::ParserError,
           ::Racc::ParseError,
-          ::Timeout::Error,
         ]
 
         def initialize(engine_config:)

lib/cc/engine/analyzers/command_line_runner.rb

@@ -5,7 +5,7 @@ module CC
   module Engine
     module Analyzers
       class CommandLineRunner
-        DEFAULT_TIMEOUT = 20
+        DEFAULT_TIMEOUT = 300
 
         def initialize(command, timeout = DEFAULT_TIMEOUT)
           @command = command